King
Phillip
Cracked
On
Friday
Gee
Sorry

1.Create a link on your student page for this new topic. 2.Search the Internet for diagrams of the states of matter, solids, liquids and gases and paste them onto your page. 3.Now describe what is different about the particles in each diagram and try to explain how those differences relate to how solids, liquids and gases feel to the touch. (You can use specific examples if it helps- e.g. a desk, water, wind on your face). 4. Discuss your ideas with a partner.

external image state_diagram.jpgexternal image bcscience7_ch4_quiz3_q3.jpgexternal image periodic_table.gif




Solid Foam: Gas + Solid
Aerogel Aerogel is a manufactured with the lowest bulk density of any solid. It is completley fireproof and it has remarkable insulation properties. It is nicknamed frozen smoke, solid smoke, blue air and solid air for its translucent but extremley strong properties. It is the strongest material per kg in the world. Aerogel was created by Samuel Stephens Kistler in 1931.
Peter Tsou holding a sample of Aerogel in a NASA lab
Peter Tsou holding a sample of Aerogel in a NASA lab
2 grams of Aerogel supporting a 2.5 kg brick
2 grams of Aerogel supporting a 2.5 kg brick


Can you trust you Senses?


1. Where does the most bending of the light occur in the eye?
The lens is the part the bends the most light.
2. Describe how the lens works

The clear lens is circular and bends the light around it so it can focus the light to the back of the eye, the retina.
3. Why do we squint when exposed to bright light?
The iris contracts
4. Which parts of the eye are involved in focusing?
Lens,
5. Discuss the implications of losing one eye?